B&N has
Scandal Sheet by Gemma Halliday available for download for free. It's a mystery/romance that is highly rated (4+ stars) at both B&N and Amazon, though there are only a few reviewers at either site for the book.
Here is B&N's brief description:
Gossip columnist Tina is stopped in her tracks when she learns one of the celebrities she's reported on wants her dead. Teamed with an oversized bodyguard, a bubbly blonde, and an alcoholic obituary writer, Tina sets off to find out which juicy piece of Hollywood gossip is worth killing over.
Link to download.
BTW, even if you don't have a Nook, you can download and read this on the Nook application available for the PC, Mac, Android, iPhone/iPad, and Blackberry.